Threemile Island
Island in Dauphin County, Pennsylvania · on the USGS Middletown quadrangle
40.14426, -76.72469
Maps that show Threemile Island
Get them in the map app
Middletown, PA
Detailed map of terrain, trails and roads
USGS topo, 2023
Middletown, PA
Old map for history, not navigation
USGS historical 15-minute topo (1908)
Middletown, PA
Old map for history, not navigation
USGS historical 15-minute topo (1943)
Middletown, PA
Old map for history, not navigation
USGS historical 15-minute topo (1956)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Area Chart A-01 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-29 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-36 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-34 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-32 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-11 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-10 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-12 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).